#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>

int main()
{
	int n = 0;
	while (scanf("%d", &n)==1)
	{
		int i = 0;
		int j = 0;
		for ( i = 0; i < n; i++)
		{
			for (j = 0; j < n; j++)
			{
				if (i==j)
				{
					printf("*");
				}
				else if (i+j==n-1)
				{
					printf("*");
				}
				else {
					printf(" ");
				}
			}
			printf("\n");
		}
	}
	return 0;
}